Hi,
I post here two questions from the freebsd-ipfw mailing list, maybe here someone can help. I'm really interested to know if it is possible to do the following on the FreeBSD IPFW firewall:
Best regards.
I post here two questions from the freebsd-ipfw mailing list, maybe here someone can help. I'm really interested to know if it is possible to do the following on the FreeBSD IPFW firewall:
- With Linux, iptables and mod_conntrack_ftp you can allow only connecting to unprivileged port ranges for FTP passive mode to IP addresses who have properly established a TCP/21 port connection. Is this possible in FreeBSD with IPFW?
- I have a client A connecting to public IP 1.1.1.1 (for example) of host B. I want these packets at B to be redirected to host C but changing the source address of A from that packets with the IP address of B. Later when B receives back the answer from C that packets from the answer be redirected to A changing B's destination IP address to A's destination IP address. So when telnetting from client A to host B for example to port 5000, really, for it to be telnetting host C port 5000 for example and to have this this look like telnetting properly from A.
Best regards.